Huawei UAF in Communication Module (CVE-2026-34858)
CVE-2026-34858 Published on April 13, 2026
UAF vulnerability in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
Vulnerability Analysis
CVE-2026-34858 is exploitable with local system access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-34858 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-34858
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Affected Versions
Huawei HarmonyOS:- Version 6.0.0 is affected.
- Version 5.1.0 is affected.